1320223640

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{16831}}^1$

素因数の和:16932

約数の個数: 64

約数和(自身を含む): 3108533760

約数和(自身を除く): 1788310120

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 53, 74, 106, 148, 185, 212, 265, 296, 370, 424, 530, 740, 1060, 1480, 1961, 2120, 3922, 7844, 9805, 15688, 16831, 19610, 33662, 39220, 67324, 78440, 84155, 134648, 168310, 336620, 622747, 673240, 892043, 1245494, 1784086, 2490988, 3113735, 3568172, 4460215, 4981976, 6227470, 7136344, 8920430, 12454940, 17840860, 24909880, 33005591, 35681720, 66011182, 132022364, 165027955, 264044728, 330055910, 660111820, 1320223640]

約数ペア:

[(1, 1320223640), (2, 660111820), (4, 330055910), (5, 264044728), (8, 165027955), (10, 132022364), (20, 66011182), (37, 35681720), (40, 33005591), (53, 24909880), (74, 17840860), (106, 12454940), (148, 8920430), (185, 7136344), (212, 6227470), (265, 4981976), (296, 4460215), (370, 3568172), (424, 3113735), (530, 2490988), (740, 1784086), (1060, 1245494), (1480, 892043), (1961, 673240), (2120, 622747), (3922, 336620), (7844, 168310), (9805, 134648), (15688, 84155), (16831, 78440), (19610, 67324), (33662, 39220)]